Has the existence of the dinosaur genus Saurophaganax now been refuted?

Hello everyone. Does the 2024 study disprove the existence of the Late Jurassic dinosaur genus Saurophaganax, or does it invalidate the genus? I read that some of the fossils originally attributed to Saurophaganax have been reassigned to the newly described species Allosaurus anax. What are the differences between Allosaurus anax and the original image of…

Is this stone worth something for a piece of jewelry or for a museum or just for me 😂?

I've recently become a rock collector and own a rock tumbler. I'd like to be able to polish and identify stones—for family, friends, myself, or even for collectors or a museum if a bone is found. I also want to create a small piece of jewelry from "non"-precious stones. Be it as a hand charm…

Did Spinosaurus also live in South America?

Hello! Spinosaurus was originally found in Egypt in North Africa. The only finds so far that can be definitively attributed to Spinosaurus come from North Africa. However, for several years now, it has also been considered possible that Sigilmassasaurus, which, like Spinosaurus, lived in North Africa, and Oxalaia, which was found in Brazil, belong to…

Which dinosaurs had feathers?

Hello! It's been known that some dinosaurs had feathers since the 1990s, when feathered dinosaurs, such as Sinosauropteryx, were first discovered in rock layers from the Lower Cretaceous of China. But a few years later it was also discovered that at least some bird-hipped dinosaurs, such as the original horned dinosaur Psittacosaurus, had bristle-like structures…

Could the prehistoric whale Perucetus colossus dethrone the blue whale as the largest or heaviest animal of all time?

Last year, the bones of a new prehistoric whale were discovered, with unusually dense and heavy bones. These bones are significantly heavier and more stable than those of the blue whale, so its weight is estimated at between 85 and 340 tons.

Did the Nanotyrannus exist?

Hello! The validity of the tyrannosaurid genus Nanotyrannus from the Late Cretaceous of North America has been strongly questioned over the past few years. Instead, many paleontologists believe it represents juvenile specimens of Tyrannosaurus rex. However, I recently heard of a study suggesting that Nanotyrannus probably represents a separate species. Did Nanotyrannus actually represent a…

Could this be what the belemnites looked like?

Hello. We have these fossils called thunderbolts. Now I'm looking for a suitable rubber toy for our daughter. What speaks against this toy: https://www.amazon.de/Haloppe-Mollusca-Meerestier-Dekoration-Umweltfreund/dp/B0C3R32GV7/ref=sr_1_7?__mk_de_DE=%C3%85M%C3%85%C5 %BD%C3%95%C3%91&crid=355VCF3J4IP77&keywords=belemnit&qid=1706451612&rnid=1703609031&s=toys&sprefix=belem%2Caps%2C191&sr=1-7-catcorr